Conflict in Sudan’s Darfur region is being waged A. Over oil claims
B. Over the boundary line dividing it from South Sudan
C. Between the Sudanese government Islamist rebels
D. Between Muslims and Christians
E. Between Arab nomads and black Africans

D is the answer for this question.

Magma forms by partial melting of upper mantle and crust. partial melt means that only a fraction of the available material forms a melt, and that the remainder stays solid. the partial melt rises because of its lower density and ascends through he crust. this is so conclusive mean the answer would be magma igneous rocks or balistic magma.